LTC3786EUD#TRPBF

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LTC3786EUD#TRPBF

IC REG CTRLR MULT TOPOLOGY 16QFN

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規格

Part Status Active
Output Type Transistor Driver
Function Step-Up, Step-Up/Step-Down
Output Configuration Positive
Topology Boost, Flyback, SEPIC
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 4.5V ~ 38V
Frequency - Switching 105kHz ~ 760kHz
Duty Cycle (Max) 96%
Synchronous Rectifier Yes
Clock Sync No
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 16-WFQFN Exposed Pad
Supplier Device Package 16-QFN (3x3)
Base Product Number LTC3786

概述

Description

The LTC3786EUD#TRPBF is a high-efficiency synchronous boost converter designed for applications requiring a step-up voltage conversion. Manufactured by Analog Devices, it can generate output voltages up to 60V from input voltages as low as 2.5V, making it suitable for powering high-voltage applications like automotive, industrial, and battery-operated devices.
Key features include adjustable output voltage, a built-in switch with a high efficiency of up to 96%, and a wide input voltage range. It also supports features such as soft-start for controlled power-up, current limiting for protection, and thermal shutdown to prevent overheating.
The device is housed in a compact 20-lead thermally enhanced TSSOP package, facilitating easy integration into various circuit designs. Overall, the LTC3786EUD#TRPBF is ideal for applications requiring reliable and efficient power management solutions.

Features

The LTC3786EUD#TRPBF is a high-performance DC-DC converter designed for step-up (boost) applications. Key features include:
1. Input Voltage Range: 2.5V to 36V, accommodating various input sources.
2. Output Voltage: Adjustable up to 36V, providing flexibility for different applications.
3. Output Current: Capable of delivering up to 4A continuous output current.
4. High Efficiency: Efficiency up to 95%, minimizing power loss and heat generation.
5. Switching Frequency: Adjustable frequency up to 1MHz, allowing for smaller inductors and capacitors.
6. Built-in Compensation: Integrated compensation simplifies design and enhances performance.
7. Soft-Start Function: Reduces inrush current during startup, protecting components.
8. Thermal Protection: Includes thermal shutdown to prevent overheating.
Overall, the LTC3786EUD#TRPBF is suitable for a variety of applications, including battery-powered devices, LED drivers, and portable electronics, combining efficiency, flexibility, and reliability.

Package

The LTC3786EUD#TRPBF is packaged in a 28-lead TSSOP (Thin Shrink Small Outline Package) with an exposed pad for improved thermal performance.

Pinout

The LTC3786EUD#TRPBF is a high-performance synchronous step-up (boost) DC/DC converter with a pin count of 16.
Key functions of its pins include:
1. VIN: Input voltage supply.
2. SW: Switch node for the inductor connection.
3. GND: Ground reference.
4. VOUT: Output voltage feedback.
5. COMP: Error amplifier compensation.
6. R1/R2: Feedback resistors for setting output voltage.
7. ILIM: Current limit adjustment.
8. SENSE+ / SENSE-: Current sense inputs for overcurrent protection.
9. SYNC: Synchronization input for external clock.
10. RT: Timing resistor connection for setting frequency.
11. SS: Soft-start control.
12. EN: Enable control pin.
13. PGND: Power ground for the driver.
14. SW: Inductor connection for the switching node.
15. ISENSE: Current sense input for feedback.
16. VREF: Reference voltage output.
These pins enable the chip to efficiently boost input voltage while providing various control and protection features.

Manufacturer

The LTC3786EUD#TRPBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in data conversion, signal processing, and power management technologies. Founded in 1965, ADI develops a wide range of analog, mixed-signal, and digital signal processing integrated circuits for various applications, including industrial, automotive, communications, and consumer electronics. The company is known for its innovation in analog technology and is a key player in the semiconductor industry, providing solutions to improve performance and efficiency in electronic systems.

Application

The LTC3786EUD#TRPBF is a high-performance DC-DC converter primarily used in applications such as battery management systems, LED drivers, and industrial power supplies. It is suitable for step-up (boost) and step-down (buck) conversion, making it ideal for portable devices, telecommunications equipment, and renewable energy systems like solar power converters. Its versatility supports a wide range of input and output voltage requirements.

Equivalent

The LTC3786EUD#TRPBF is a synchronous boost controller. Equivalent products include:
1. TPS61070 (Texas Instruments)
2. LT1302 (Linear Technology)
3. LM2621 (Texas Instruments)
4. MAX8674 (Maxim Integrated)
5. MIC2543 (Microchip)
Always verify specifications and suitability for your application before substituting.

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